CN105268308B - In a kind of ore pulp desulfurization and clear liquid reclamation set and method - Google Patents
In a kind of ore pulp desulfurization and clear liquid reclamation set and method Download PDFInfo
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- CN105268308B CN105268308B CN201510816642.3A CN201510816642A CN105268308B CN 105268308 B CN105268308 B CN 105268308B CN 201510816642 A CN201510816642 A CN 201510816642A CN 105268308 B CN105268308 B CN 105268308B
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- 239000007788 liquid Substances 0.000 title claims abstract description 77
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 23
- 230000023556 desulfurization Effects 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000006228 supernatant Substances 0.000 claims abstract description 138
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 78
- 239000003513 alkali Substances 0.000 claims abstract description 50
- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000010009 beating Methods 0.000 claims abstract description 12
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses in a kind of ore pulp desulfurization and clear liquid reclamation set and method,It includes concentrator,Underflow underground tank,Supernatant regulating tank,Alkali-prepared tank and supernatant storage tank,The bottom of concentrator is connect with underflow underground tank,Concentrator top is connect by supernatant inlet tube with the entrance of supernatant regulating tank,The bottom of supernatant regulating tank is connect by supernatant outlet pipe with the entrance with alkali inlet tube and supernatant storage tank of alkali-prepared tank respectively,Alkali-prepared tank is equipped with liquid caustic soda entrance,The bottom of alkali-prepared tank is connect by beating alkali pump with the top of supernatant regulating tank,The outlet valve for beating alkali pump is connect with the pH meter chain control device being arranged on supernatant inlet tube,Alkali-prepared tank is equipped with liquid level gauge chain control device,Liquid level gauge chain control device is with being arranged on being connect with alkali valve on alkali inlet tube,The bottom of supernatant storage tank is connect with supernatant delivery pump.The present invention can realize in ore pulp desulfurization and clear liquid reuse, realizes the comprehensive utilization of waste water, reduces ore-sorting system rate of water make-up.
Description
Technical field
The invention belongs to chemical industry, ore dressing fields, and in particular in a kind of ore pulp desulfurization and clear liquid reclamation set and method.
Background technology
In the smelting process of sulphide ore, a large amount of low concentration, extremely low concentration SO are generated2Flue gas during smelting, to surrounding enviroment
Serious pollution is caused, according to the requirement of national environmental protection, it is necessary to qualified discharge.Using traditional processing method, including lime method,
Ionic liquid method, activated coke method, Alkali absorption method etc., technical maturity, but since flue gas during smelting amount is big, required material quantity is big, is processed into
This is higher, and new solid waste is generated in processing procedure, liquid gives up；It is simple for process, processing cost is low using active ore pulp facture,
But ore pulp amount is larger, and water brings Tailings Dam into tailing in part, can not recycling.
Invention content
The purpose of the present invention is to solve technical problem in the prior art, provide a kind of high degree of automation,
It is easy to operate, realize ore pulp desulfurization in and clear liquid comprehensive utilization ore pulp desulfurization in and clear liquid reclamation set.
Another object of the present invention is to provide in a kind of ore pulp desulfurization and clear liquid reuse method.
In order to achieve the above object, the present invention uses following technical scheme：In a kind of ore pulp desulfurization and clear liquid reclamation set,
Including concentrator, underflow underground tank, supernatant regulating tank, alkali-prepared tank and supernatant storage tank, the bottom of the concentrator and underflow
Underground tank connects, and the concentrator top is connect by supernatant inlet tube with the entrance of supernatant regulating tank, the supernatant
The bottom of regulating tank is connect by supernatant outlet pipe with the entrance with alkali inlet tube and supernatant storage tank of alkali-prepared tank respectively, institute
Alkali-prepared tank is stated equipped with liquid caustic soda entrance, the bottom of the alkali-prepared tank is connect by beating alkali pump with the top of supernatant regulating tank, institute
The outlet valve for stating dozen alkali pump is connect with the pH meter chain control device being arranged on supernatant inlet tube, and the alkali-prepared tank is equipped with
Liquid level gauge chain control device, the liquid level gauge chain control device is with being arranged on being connect with alkali valve on alkali inlet tube, institute
The bottom for stating supernatant storage tank is connect with supernatant delivery pump.
Further, agitating device is equipped in the supernatant regulating tank.
Further, the pipeline that the bottom of the concentrator is connect with underflow underground tank is equipped with underflow valve.
Further, the underflow underground tank is connect by slush pump with Tailings Dam.
Include the following steps in a kind of ore pulp desulfurization with clear liquid reuse method, this method：
A, the pulp conveying of low-concentration sulfur dioxide will be absorbed to concentrator, after concentrator is dense, open underflow valve, it is dense
Slurry is discharged into underflow underground tank, and be delivered to Tailings Dam through slush pump；
B, the supernatant after concentrator is dense flows into supernatant regulating tank, while pass through pH meter certainly by supernatant inlet tube
Chain control device detects the pH value of supernatant, if the pH value of supernatant is not less than ore dressing required value 7.3, supernatant passes through upper
The supernatant outlet pipe that clear liquid adjusts trench bottom flows into supernatant storage tank, and be delivered to ore-sorting system through supernatant delivery pump and return
With；
C, if the pH value of detection supernatant is less than ore dressing required value 7.3, pH meter chain control device beats alkali pump
Outlet valve, the liquid caustic soda of a concentration of 9-11% prepared in alkali-prepared tank are delivered to by beating alkali pump in supernatant regulating tank, pass through stirring
Device stirs evenly supernatant and liquid caustic soda, when the pH value of supernatant is not less than ore dressing required value 7.3, pH meter chain control dress
The outlet valve closed and beat alkali pump is put, the supernatant outlet pipe that supernatant adjusts trench bottom by supernatant flows into supernatant storage tank,
And it is delivered to ore-sorting system reuse through supernatant delivery pump；
D, when the liquid level in alkali-prepared tank in step C drops to setting value, liquid level gauge chain control device opening enters with alkali
Match alkali valve on mouth pipe, liquid level gauge chain control device is closed with alkali after supernatant flows into alkali-prepared tank and reaches level set value
Valve is configured to the liquid caustic soda of a concentration of 9-11% by the liquid caustic soda of liquid caustic soda entrance addition a concentration of 30%, is used for adjusting.
The present invention has the advantages that compared with the prior art：The present invention ore pulp desulfurization in and clear liquid reclamation set master
To include concentrator, underflow underground tank, supernatant regulating tank, alkali-prepared tank and supernatant storage tank, will be absorbed by concentrator low dense
The ore pulp for spending sulfur dioxide is dense into supernatant and underflow two parts, and underflow is discharged into after underflow underground tank and is delivered to tail through slush pump
Ore deposit library, supernatant judges whether to meet ore dressing water distribution requirement by detection pH value, if meeting ore dressing water distribution requirement, supernatant flows into
Ore-sorting system reuse is delivered to through supernatant delivery pump after supernatant storage tank, if not meeting ore dressing water distribution requirement, passes through alkali-prepared tank
In liquid caustic soda mixed with supernatant adjust supernatant pH value, after ore dressing water distribution requirement is met supernatant flow into supernatant storage tank
Ore-sorting system reuse is delivered to by supernatant delivery pump.It is present device high degree of automation, easy to operate, it can realize ore pulp
With clear liquid reuse in desulfurization, the comprehensive utilization of waste water is realized, reduces ore-sorting system rate of water make-up；Present invention process is simple, place
It manages at low cost, the ore pulp after low-concentration sulfur dioxide will be absorbed and be separated into supernatant and underflow recycling, will not be generated new
Solid waste and liquid give up.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Reference numeral meaning of the present invention is as follows：1st, concentrator；2nd, underflow underground tank；3rd, supernatant regulating tank；4th, alkali-prepared tank；
5th, supernatant storage tank；6th, alkali pump is beaten；7th, supernatant delivery pump；8th, pH meter chain control device；9th, liquid level gauge chain control device；
10th, supernatant inlet tube；11st, supernatant outlet pipe；12nd, with alkali inlet tube；13rd, liquid caustic soda entrance；14th, outlet valve；15th, with alkali
Valve；16th, agitating device；17th, underflow valve.
Specific embodiment
The invention will be further described in the following with reference to the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, in a kind of ore pulp desulfurization and clear liquid reclamation set, including concentrator 1, underflow underground tank 2, supernatant
Regulating tank 3, alkali-prepared tank 4 and supernatant storage tank 5, the bottom of concentrator 1 are connect with underflow underground tank 2, the bottom of concentrator 1 with it is dense
It starches the pipeline that underground tank 2 connects and is equipped with underflow valve 17, underflow underground tank 2 is connect by slush pump with Tailings Dam, on concentrator 1
Portion is connect by supernatant inlet tube 10 with the entrance of supernatant regulating tank 3, and agitating device 16 is equipped in supernatant regulating tank 3,
The bottom of supernatant regulating tank 3 is by supernatant outlet pipe 11 respectively with alkali-prepared tank 4 with alkali inlet tube 12 and supernatant storage tank 5
Entrance connection, alkali-prepared tank 4 is equipped with liquid caustic soda entrance 13, and the bottom of alkali-prepared tank 4 is by beating alkali pump 6 and supernatant regulating tank 3
Top connects, and the outlet valve 14 for beating alkali pump 6 connect with the pH meter chain control device 8 being arranged on supernatant inlet tube 10, matches
Alkali tank 4 is equipped with liquid level gauge chain control device 9, and liquid level gauge chain control device 9 is with being arranged on matching on alkali inlet tube 12
Alkali valve 15 connects, and the bottom of supernatant storage tank 5 is connect with supernatant delivery pump 7.
In above-mentioned ore pulp desulfurization with clear liquid reclamation set low concentration SO will have been absorbed with Mr. Yu2In ore pulp afterwards, the absorption
Low concentration SO2Pulp density is 18.5% afterwards, and slurry pH 7.3 specifically includes following steps：By above-mentioned absorption low concentration two
The pulp conveying of sulfur oxide is to concentrator 1, after concentrator 1 is dense, a concentration of the 38% of underflow, and open underflow valve 17, underflow row
Enter underflow underground tank 2, and Tailings Dam is delivered to through slush pump；Supernatant after concentrator 1 is dense passes through supernatant inlet tube 10
Supernatant regulating tank 3 is flowed into, while is 6.5 by the pH value of the detection supernatant of pH meter chain control device 8, the pH value of supernatant
Less than ore dressing water distribution required value 7.3, pH meter chain control device 8 makes the outlet valve 14 of alkali pump 6, is prepared in alkali-prepared tank 4
A concentration of 9% liquid caustic soda is delivered to by beating alkali pump 6 in supernatant regulating tank 3, is stirred supernatant and liquid caustic soda by agitating device 16
It mixes uniformly, the pH value of supernatant is 7.5, and pH meter chain control device 8 closes the outlet valve for beating alkali pump 6, and supernatant passes through supernatant
The supernatant outlet pipe 11 of 3 bottom of liquid regulating tank flows into supernatant storage tank 5, and is delivered to ore-sorting system through supernatant delivery pump 7
As water distribution reuse；When liquid level in the above process in alkali-prepared tank 4 drops to setting value, liquid level gauge chain control device 9 is opened
With alkali valve 15 is matched on alkali inlet tube 12, supernatant flows into alkali-prepared tank 4 and reaches liquid level gauge chain control after level set value
Device 9 is closed with alkali valve 15, by liquid caustic soda entrance 13 add in a concentration of 30% liquid caustic soda be configured to a concentration of 11% liquid caustic soda, for adjusting
Section uses.
Embodiment 2
In the ore pulp desulfurization of the present embodiment and clear liquid reclamation set is identical in embodiment 1.It will be in above-mentioned ore pulp desulfurization
With clear liquid reclamation set low concentration SO has been absorbed with Mr. Yu2In ore pulp afterwards, the absorption low concentration SO2Pulp density is 18% afterwards,
Slurry pH is 6.9, specifically includes following steps：By the pulp conveying of above-mentioned absorption low-concentration sulfur dioxide to concentrator 1, warp
After concentrator 1 is dense, a concentration of the 37% of underflow, underflow valve 17 is opened, underflow is discharged into underflow underground tank 2, and is conveyed through slush pump
To Tailings Dam；Supernatant after concentrator 1 is dense flows into supernatant regulating tank 3, while pass through pH by supernatant inlet tube 10
The pH value for counting the detection supernatant of chain control device 8 is 5.8, and the pH value of supernatant is less than ore dressing water distribution required value 7.3, and pH meter connects
Lock control device 8 makes the outlet valve 14 of alkali pump 6, and a concentration of 11% liquid caustic soda prepared in alkali-prepared tank 4 is defeated by beating alkali pump 6
It send to supernatant regulating tank 3, is stirred evenly supernatant and liquid caustic soda by agitating device 16, the pH value of supernatant is 7.4, pH
Meter chain control device 8 closes the outlet valve for beating alkali pump 6, the supernatant outlet pipe that supernatant passes through 3 bottom of supernatant regulating tank
11 flow into supernatant storage tank 5, and be delivered to ore-sorting system as water distribution reuse through supernatant delivery pump 7；Match alkali in the above process
When liquid level in tank 4 drops to setting value, liquid level gauge chain control device 9 is opened to match matches alkali valve 15 on alkali inlet tube 12, on
Liquid level gauge chain control device 9 is closed with alkali valve 15 after clear liquid flows into alkali-prepared tank 4 and reaches level set value, is entered by liquid caustic soda
The liquid caustic soda of 13 addition a concentration of 30% of mouth is configured to a concentration of 9.5% liquid caustic soda, is used for adjusting.
Embodiment 3
In the ore pulp desulfurization of the present embodiment and clear liquid reclamation set is identical in embodiment 1.It will be in above-mentioned ore pulp desulfurization
With clear liquid reclamation set low concentration SO has been absorbed with Mr. Yu2In ore pulp afterwards, the absorption low concentration SO2Pulp density is afterwards
18.3%, slurry pH 7.6 specifically includes following steps：By the pulp conveying of above-mentioned absorption low-concentration sulfur dioxide to dense
Machine 1, after concentrator 1 is dense, a concentration of the 37.5% of underflow, underflow valve 17 is opened, underflow is discharged into underflow underground tank 2, and through mud
Stock pump is delivered to Tailings Dam；Supernatant after concentrator 1 is dense flows into supernatant regulating tank 3 by supernatant inlet tube 10, together
When the pH value of supernatant detected as 7.3 by pH meter chain control device 8, supernatant is upper by 3 bottom of supernatant regulating tank
Purified liquor outlet pipe 11 flows into supernatant storage tank 5, and is delivered to ore-sorting system as water distribution reuse through supernatant delivery pump 7.
Claims (4)
1. in a kind of ore pulp desulfurization and clear liquid reclamation set, it is characterised in that：Including concentrator（1）, underflow underground tank（2）, on
Clear liquid regulating tank（3）, alkali-prepared tank（4）With supernatant storage tank（5）, the concentrator（1）Bottom and underflow underground tank（2）Even
It connects, the concentrator（1）Top passes through supernatant inlet tube（10）With supernatant regulating tank（3）Entrance connection, the supernatant
Liquid regulating tank（3）Bottom pass through supernatant outlet pipe（11）Respectively with alkali-prepared tank（4）Match alkali inlet tube（12）And supernatant
Storage tank（5）Entrance connection, the alkali-prepared tank（4）It is equipped with liquid caustic soda entrance（13）, the alkali-prepared tank（4）Bottom by beating alkali
Pump（6）With supernatant regulating tank（3）Top connection, it is described to beat alkali pump（6）Outlet valve（14）With being arranged on supernatant entrance
Pipe（10）On pH meter chain control device（8）Connection, the alkali-prepared tank（4）It is equipped with liquid level gauge chain control device（9）, institute
State liquid level gauge chain control device（9）Match alkali inlet tube with being arranged on（12）On match alkali valve（15）Connection, the supernatant storage
Slot（5）Bottom and supernatant delivery pump（7）Connection；
Include the following steps in the ore pulp desulfurization with the reuse method of clear liquid reclamation set：
A, the pulp conveying of low-concentration sulfur dioxide will be absorbed to concentrator（1）, through concentrator（1）After dense, underflow is discharged into dense
Starch underground tank（2）, and it is delivered to Tailings Dam；
B, concentrator（1）Supernatant after dense passes through supernatant inlet tube（10）Flow into supernatant regulating tank（3）, pass through simultaneously
PH meter chain control device（8）The pH value of supernatant is detected, if the pH value of supernatant is not less than ore dressing water distribution required value 7.3,
Supernatant passes through supernatant regulating tank（3）The supernatant outlet pipe of bottom（11）Flow into supernatant storage tank（5）, and it is defeated through supernatant
Send pump（7）It is delivered to ore-sorting system reuse；
C, if the pH value of detection supernatant is less than ore dressing water distribution required value 7.3, pH meter chain control device（8）Beat alkali pump
（6）Outlet valve（14）, alkali-prepared tank（4）The liquid caustic soda of a concentration of 9-11% of middle preparation is by beating alkali pump（6）It is delivered to supernatant tune
Save slot（3）It is interior, supernatant and liquid caustic soda are stirred evenly, when the pH value of supernatant is not less than ore dressing water distribution required value 7.3, pH meter
Chain control device（8）Alkali pump is beaten in closing（6）Outlet valve, supernatant passes through supernatant regulating tank（3）The supernatant of bottom goes out
Mouth pipe（11）Flow into supernatant storage tank（5）, and through supernatant delivery pump（7）It is delivered to ore-sorting system reuse；
D, when alkali-prepared tank in step C（4）In liquid level when dropping to setting value, liquid level gauge chain control device（9）It opens with alkali
Inlet tube（12）On match alkali valve（15）, supernatant inflow alkali-prepared tank（4）In and reach the chain control of liquid level gauge after level set value
Device processed（9）It closes with alkali valve（15）, pass through liquid caustic soda entrance（13）The liquid caustic soda for adding in a concentration of 30% is configured to a concentration of 9-11%
Liquid caustic soda, for adjust use.
2. in a kind of ore pulp desulfurization according to claim 1 and clear liquid reclamation set, it is characterised in that：The supernatant tune
Save slot（3）It is interior to be equipped with agitating device（16）.
3. in a kind of ore pulp desulfurization according to claim 1 and clear liquid reclamation set, it is characterised in that：The concentrator
（1）Bottom and underflow underground tank（2）The pipeline of connection is equipped with underflow valve（17）.
4. in a kind of ore pulp desulfurization according to claim 1 and clear liquid reclamation set, it is characterised in that：The underflow underground
Slot（2）It is connect by slush pump with Tailings Dam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510816642.3A CN105268308B (en) | 2015-11-23 | 2015-11-23 | In a kind of ore pulp desulfurization and clear liquid reclamation set and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510816642.3A CN105268308B (en) | 2015-11-23 | 2015-11-23 | In a kind of ore pulp desulfurization and clear liquid reclamation set and method |
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| CN105268308A CN105268308A (en) | 2016-01-27 |
| CN105268308B true CN105268308B (en) | 2018-06-29 |
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| CN110327801B (en) * | 2019-08-08 | 2021-09-03 | 上海青赛生物科技有限公司 | Automatic alkali supplementing system and method for CIP station |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203635063U (en) * | 2013-12-12 | 2014-06-11 | 上海龙净环保科技工程有限公司 | Water circulation system of PM2.5 flue gas treatment tower |
| CN104944560A (en) * | 2015-06-07 | 2015-09-30 | 长春黄金研究院 | Quick non-ferrous metal mine acid wastewater treatment method |
| CN205199296U (en) * | 2015-11-23 | 2016-05-04 | 金川集团股份有限公司 | With clear solution retrieval and utilization device in ore pulp desulfurization |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003006384A1 (en) * | 2001-07-12 | 2003-01-23 | Poul Erik Bundgaard Jensen | Method and apparatus for purifying a polluted medium |
| JP2005224771A (en) * | 2004-02-16 | 2005-08-25 | Mitsubishi Heavy Ind Ltd | Wastewater treatment apparatus |
| US20080197075A1 (en) * | 2006-09-07 | 2008-08-21 | Musale Deepak A | Removing mercury and other heavy metals from industrial wastewater |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203635063U (en) * | 2013-12-12 | 2014-06-11 | 上海龙净环保科技工程有限公司 | Water circulation system of PM2.5 flue gas treatment tower |
| CN104944560A (en) * | 2015-06-07 | 2015-09-30 | 长春黄金研究院 | Quick non-ferrous metal mine acid wastewater treatment method |
| CN205199296U (en) * | 2015-11-23 | 2016-05-04 | 金川集团股份有限公司 | With clear solution retrieval and utilization device in ore pulp desulfurization |
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Effective date of registration: 20240220 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737103 No. 98, Jinchuan Road, Jinchang, Gansu Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
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